The special investigation team decided to send a female spy to infiltrate a drug trafficking organization. Her name is Miho Kurusu, and she has a fighting spirit that is hard to imagine from her gentle and cute appearance. She gets information about a senior executive who sells pleasure supplements in a pyramid scheme that is borderline illegal, but a traitor reveals her true identity and she is arrested. She is brutally tortured into orgasmic hell and goes insane. Then her body, addicted to pleasure, awakens and the Beast appears.